| Nutshell | Marketing | CRM Resource | nutshell.com | | | Nutshell.png |
| Ocoya | Social Media | Social Media Management | ocoya.com | | | Ocoya.png |
| OfficeClip Contact Manager | Marketing | CRM Resource | officeclip.com | | | OfficeClip-Contact-Manager.png |
| Omnisend | Marketing | SEO | omnisend.com | | | Omnisend.png |
| OneCause | Finances | Fundraising | onecause.com | | | OneCause.png |
| OnePageCRM | Marketing | CRM Resource | onepagecrm.com | | | OnePageCRM.png |
| OnSite CRM | Marketing | CRM Resource | onsitecrm.com | | | OnSite-CRM.png |
| Onyx CRM | Marketing | CRM Resource | onyx-technologies.com | | | Onyx-CRM.png |
| Open Culture | Professional Development | Education | openculture.com | | | Open-Culture.png |
| Open Yale Courses | Professional Development | Education | yale.edu | | | Open-Yale-Courses.png |
| OpenShot | Marketing | Video/Audio Editing | openshot.org | | | OpenShot.png |
| Opera | Operations | Productivity Tools | opera.com | | | opera.png |
| Optimizely | Website Resources | Web Design | optimizely.com | | | Optimizely.png |
| Optimizepress | Marketing | Digital Marketing | optimizepress.com | | | Optimizepress.png |
| Outgrow | Marketing | Content Creation | outgrow.co | | | Outgrow.png |
| Pabbly | Operations | Accounting | pabbly.com | Email hidden; Javascript is required. | | Pabbly.png |
| PageSpeed Insights | Marketing | Analytics and Feedback | web.dev | | | PageSpeed-Insights.png |
| Panopto | Marketing | Video Hosting & Streaming | panopto.com | | | Panopto.png |
| Parse.ly | Marketing | Analytics and Feedback | parse.ly | | | Parse.ly_.png |
| Patreon | Finances | Fundraising | patreon.com | | | Patreon.png |
| PaveAI | Marketing | Analytics and Feedback | paveai.com | | | PaveAI.png |
| Payload CMS | Marketing | CMS | payloadcms.com | | | Payload-CMS.png |
| Penji | Marketing | Graphics & Images | penji.co | | | Penji.png |
| Philanthropy Daily | Industry News | Nonprofit News | philanthropydaily.com | | | Philanthropy-Daily.png |
| PhotoScape | Marketing | Graphics & Images | cnet.com | | | PhotoScape.png |
| Picmonkey | Marketing | Graphics & Images | picmonkey.com | | | Picmonkey.png |
| Piktochart | Marketing | Content Creation | piktochart.com | | | Piktochart.png |
| Pikwizard | Marketing | Stock Photos | pikwizard.com | | | Pikwizard.png |
| Pingdom | Marketing | Analytics and Feedback | pingdom.com | | | Pingdom.png |
| Pinterest | Social Media | Graphics & Images | pinterest.com | | | Pinterest.png |
| Pipedrive CRM | Marketing | CRM Resource | pipedrive.com | | | Pipedrive-CRM.png |
| Pipeliner CRM | Marketing | CRM Resource | pipelinersales.com | | | Pipeliner-CRM.png |
| Pixlr | Marketing | Graphics & Images | pixlr.com | | | Pixlr.png |
| Placeit | Content Creation | Content Creation Resources | placeit.net | | | placeit.png |
| Poll Everywhere | Communications | Polling | polleverywhere.com | | | Poll-Everywhere.png |
| Poster My Wall | Marketing | Content Creation | postermywall.com | | | Poster-My-Wall.png |
| Powtoon | Marketing | Video/Audio Editing | powtoon.com | | | Powtoon.png |
| Prismic | Marketing | CMS | prismic.io | | | Prismic.png |
| Prodigy | Educational | Community and Sector Trends | prodigygame.com | | | Prodigy.png |
| Promo.com | Marketing | Content Creation | promo.com | | | promo.png |
| Proof | Marketing | SEO | useproof.com | | | Proof.png |
| Proofhub | Operations | Project Management Resources | proofhub.com | | | Proofhub.png |
| Prosoftly | Marketing | CRM Resource | prosoftly.com | | | Prosoftly.png |
| Purpose Strategies | Professional Development | Education | purpose-strategies.com | | | Purpose-Strategies.png |
| Pursuant Insights | Finances | Fundraising | pursuant.com | | | Pursuant-Insights.png |
| Pype Intelligent CRM | Marketing | CRM Resource | saasworthy.com | | | Pype-Intelligent-CRM.png |
| Qbserve | Operations | Productivity Tools | qotoqot.com | | | Qbserve.png |
| Qgiv | Finances | Fundraising | qgiv.com | | | Qgiv.png |
| QuarterOne | Marketing | CRM Resource | quarterone.com | | | QuarterOne.png |
| QuillBot | Communications | Digital Writing & Editing Tool | quillbot.com | | | QuillBot.png |
| Quora | Social Media | Social Media Management | quora.com | | | Quora.png |
| Quuu Promote | Social Media | Social Media Management | quuupromote.co | | | Quuu-Promote.png |
| Qwilr | Communications | Digital Writing & Editing Tool | qwilr.com | | | Qwilr.png |
| RaiseDonors | Finances | Fundraising | raisedonors.com | | | RaiseDonors.png |
| RapidStart CRM | Marketing | CRM Resource | rapidstart.com | | | RapidStart-CRM.png |
| Razor Rank | Marketing | Marketing and Communications | razorrank.com | | | Razor-Rank.png |
| RealtyMogul | Finances | Fundraising | realtymogul.com | | | RealtyMogul.png |
| Recruiterflow | Operations | Hiring & Oursourcing | recruiterflow.com | | | Recruiterflow.png |
| Reddit | Social Media | Social Media Management | reddit.com | | | Reddit.png |
| Register.com | Website Resources | Website Hosting | register.com | | | Register.png |
| Remind | Operations | Management and Technology | remind.com | | | Remind.png |
| Remove.bg | Marketing | Content Creation | remove.bg | | | Remove.png |
| Riddle | Marketing | Marketing and Communications | riddle.com | | | Riddle.png |
| Ringy | Marketing | CRM Resource | ringy.com | | | Ringy.png |
| Rival IQ | Marketing | Analytics and Feedback | rivaliq.com | | | Rival-IQ.png |
| Riverside | Marketing | Video/Audio Editing | riverside.fm | | | Riverside.png |
| RNO1 | Marketing | Marketing and Communications | rno1.com | | | RNO1.png |
| Rumble | Marketing | Video Hosting & Streaming | rumble.com | | | Rumble.png |
| Sage CRM | Marketing | CRM Resource | sage.com | | | Sage-CRM.png |
| Salesboom | Marketing | CRM Resource | salesboom.com | | | Salesboom.png |
| Salesflare | Marketing | CRM Resource | salesflare.com | | | Salesflare.png |
| Salesforce Nonprofit Success Pack | Marketing | CRM Resource | salesforce.org | | | Salesforce-Nonprofit-Success-Pack.png |
| SalesTown | Marketing | CRM Resource | salestown.in | | | SalesTown.png |
| SavvyCal | Operations | Productivity Tools | savvycal.com | | | SavvyCal.png |
| SchoolTube | Marketing | Video Hosting & Streaming | schooltube.com | | | SchoolTube.png |
| Screaming Frog SEO | Marketing | SEO | screamingfrog.co.uk | | | Screaming-Frog-SEO.png |
| Scribie | Operations | Productivity Tools | scribie.com | | | Scribie.png |
| Seer Interactive | Marketing | Marketing and Communications | seerinteractive.com | | | Seer-Interactive.png |
| Segment | Marketing | Analytics and Feedback | segment.com | | | Segment.png |
| Sellsy | Marketing | CRM Resource | sellsy.com | | | Sellsy.png |
| Semrush | Marketing | Analytics and Feedback | semrush.com | | | Semrush.png |
| SenderScore | Marketing | Email Marketing Resources | senderscore.org | | | SenderScore.png |
| Sendible | Social Media | Social Media Management | sendible.com | | | Sendible.png |
| SEOValley | Marketing | Marketing and Communications | seovalley.com | | | SEOValley.png |
| Sewport | Operations | Hiring & Oursourcing | sewport.com | | | Sewport.png |
| Sheetify CRM | Marketing | CRM Resource | sheetifycrm.com | | | Sheetify-CRM.png |
| Shopify | Finances | Fundraising | shopify.com | | | Shopify.png |
| Shotcut | Marketing | Video/Audio Editing | shotcut.org | | | Shotcut.png |
| SHRM | Operations | Management and Technology | shrm.org | | | SHRM.png |
| Shutterstock | Marketing | Stock Photos | shutterstock.com | | | Shutterstock.png |
| SignUpGenius | Operations | Volunteer Management | signupgenius.com | | | SignUpGenius.png |
| SimilarWeb | Marketing | Analytics and Feedback | similarweb.com | | | SimilarWeb.png |
| Sked Social | Social Media | Social Media Management | skedsocial.com | | | Sked-Social.png |
| Skillcrush | Professional Development | Education | skillcrush.com | | | Skillcrush.png |
| Skillshare | Professional Development | Education | skillshare.com | | | Skillshare.png |
| Slack | Operations | Team Communication & Collaboration | slack.com | | | Slack.png |
| SlideShare | Marketing | Marketing and Communications | slideshare.net | | | SlideShare.png |
| SmartSites | Marketing | Marketing and Communications | smartsites.com | | | SmartSites.png |
| Snapchat | Social Media | Social Media Management | snapchat.com | | | Snapchat.png |
| Snov.io | Marketing | Email Marketing Resources | snov.io | | | Snov.png |
